217888925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1069}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 280220160

約数和(自身を除く): 62331235

約数列:

[1, 5, 25, 31, 155, 263, 775, 1069, 1315, 5345, 6575, 8153, 26725, 33139, 40765, 165695, 203825, 281147, 828475, 1405735, 7028675, 8715557, 43577785, 217888925]

約数ペア:

[(1, 217888925), (5, 43577785), (25, 8715557), (31, 7028675), (155, 1405735), (263, 828475), (775, 281147), (1069, 203825), (1315, 165695), (5345, 40765), (6575, 33139), (8153, 26725)]